Iago ab Idwal ap Meurig

Iago ab Idwal ap Meurig (970-1039) was Prince of Gwynedd from 1023 to 1039, succeeding Llywelyn ap Seisell and preceding Gruffydd ap Llywelyn.

Biography
Iago ab Idwal ap Meurig was the great-grandson of Idwal Foel, and he inherited the throne of Gwynedd in 1023. He was murdered by his own men in 1039, and his son Cynan ab Iago would later murder Gruffydd ap Llywelyn, while his grandson Gruffudd ap Cynan eventually became king of Wales.